Kim Iversen discusses the debate around whether COVID-19 vaccines weaken the immune system, and how booster shots might affect antibodies. The CDC says the risk for covid increases steadily as you age, and it’s not just those over the age…
As more U.S. adults get their Covid-19 vaccines, a variety of side effects are emerging. WSJ’s Daniela Hernandez speaks with an infectious disease specialist on what is common, what isn’t and when to seek medical attention. Photo: Associated Press More…